Pith Number

pith:ZSHM5X7W

pith:2016:ZSHM5X7W4ELJGBJUEPLUOMM6PL

not attested not anchored not stored refs pending

Measurement of the Black Hole Mass in NGC 1332 from ALMA Observations at 0.044 Arcsecond Resolution

Aaron J. Barth, Andrew J. Baker, Benjamin D. Boizelle, David A. Buote, Jeremy Darling, Jonelle L. Walsh, Luis C. Ho

arxiv:1605.01346 v1 · 2016-05-04 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSHM5X7W4ELJGBJUEPLUOMM6PL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:13:47.184494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc8ecedff6e11693053423d747319e7ac7dacf78e95dc08f9052f805bbddf982

Aliases

arxiv: 1605.01346 · arxiv_version: 1605.01346v1 · doi: 10.48550/arxiv.1605.01346 · pith_short_12: ZSHM5X7W4ELJ · pith_short_16: ZSHM5X7W4ELJGBJU · pith_short_8: ZSHM5X7W

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZSHM5X7W4ELJGBJUEPLUOMM6PL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: cc8ecedff6e11693053423d747319e7ac7dacf78e95dc08f9052f805bbddf982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad150c653cafb4486a27bdcaf20ee0a3bf90b5044f75410221a5992998b12e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-04T17:06:03Z",
    "title_canon_sha256": "b6edb642451d69dcb7044561f5573625970822db225c7da20b83fee49e96f5b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01346",
    "kind": "arxiv",
    "version": 1
  }
}